in the hope of

他搬到日本，希望能掌握这门语言。

He moved to Japan ___in ___the ___hope ___of mastering the language.

我学习历史，希望能避免过去的错误。

I study history ___in ___the ___hope ___of preventing past mistakes.

人类探索太空，希望更多地了解宇宙。

Mankind is exploring space ___in ___the ___hope ___of learning more about the universe.